[ 9.173206][ T202] ip (202) used greatest stack depth: 23888 bytes left [ 9.173221][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.173223][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: ip [ 9.173224][ T202] preempt_count: 2, expected: 0 [ 9.173225][ T202] RCU nest depth: 0, expected: 0 [ 9.173226][ T202] locks held by ip/202: 5, last CPU#2: [ 9.173228][ T202] #0: ffffffff89e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.173238][ T202] #1: ffffffff89f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.173243][ T202] #2: ffffffff89f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.173248][ T202] #3: ffffffff89e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.173251][ T202] #4: ffffffff89e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.173255][ T202] irq event stamp: 38962 [ 9.173256][ T202] hardirqs last enabled at (38961): [] __down_trylock_console_sem+0x86/0xa0 [ 9.173259][ T202] hardirqs last disabled at (38962): [] console_emit_next_record+0x3d4/0x4c0 [ 9.173261][ T202] softirqs last enabled at (37672): [] netlink_release+0x17b/0xcf0 [ 9.173265][ T202] softirqs last disabled at (37670): [] netlink_release+0xd2/0xcf0 [ 9.173268][ T202] Preemption disabled at: [ 9.173268][ T202] [<0000000000000000>] 0x0 [ 9.173275][ T202] CPU: 2 UID: 0 PID: 202 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.173278][ T202] Tainted: [W]=WARN [ 9.173279][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.173280][ T202] Call Trace: [ 9.173282][ T202] [ 9.173284][ T202] dump_stack_lvl+0x6f/0xa0 [ 9.173291][ T202] __might_resched.cold+0x1fe/0x2c1 [ 9.173295][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.173299][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 9.173304][ T202] __kmalloc_noprof+0x443/0x760 [ 9.173305][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 9.173312][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 9.173315][ T202] alloc_buf.isra.0+0x4b/0x260 [ 9.173318][ T202] put_chars+0x1e1/0x2f0 [ 9.173321][ T202] ? __send_to_port+0x420/0x420 [ 9.173322][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.173325][ T202] ? validate_chain+0x38b/0xc20 [ 9.173330][ T202] hvc_console_print+0x292/0x780 [ 9.173337][ T202] ? hvc_write+0x3a0/0x3a0 [ 9.173340][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.173342][ T202] ? lock_acquire+0x13c/0x160 [ 9.173346][ T202] console_emit_next_record+0x22f/0x4c0 [ 9.173350][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 9.173351][ T202] ? console_flush_one_record+0x106/0x710 [ 9.173355][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.173356][ T202] ? lock_acquire+0x13c/0x160 [ 9.173360][ T202] console_flush_one_record+0x46f/0x710 [ 9.173364][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 9.173366][ T202] ? __lock_acquire+0x518/0xc20 [ 9.173371][ T202] console_unlock+0xee/0x1f0 [ 9.173374][ T202] ? console_flush_one_record+0x710/0x710 [ 9.173375][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.173377][ T202] ? lock_acquire+0xe0/0x160 [ 9.173381][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.173382][ T202] ? vprintk_emit+0x320/0x3e0 [ 9.173385][ T202] vprintk_emit+0x37c/0x3e0 [ 9.173388][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 9.173391][ T202] ? __lock_acquire+0x518/0xc20 [ 9.173394][ T202] _printk+0xc7/0x100 [ 9.173398][ T202] ? snapshot_read.cold+0x21/0x21 [ 9.173401][ T202] ? do_raw_spin_lock+0x131/0x280 [ 9.173403][ T202] ? __rwlock_init+0x150/0x150 [ 9.173407][ T202] ? do_raw_spin_lock+0x131/0x280 [ 9.173410][ T202] do_exit.cold+0x82/0x9c [ 9.173413][ T202] ? exit_notify+0x890/0x890 [ 9.173414][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 9.173417][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.173420][ T202] do_group_exit+0xb8/0x370 [ 9.173423][ T202] __x64_sys_exit_group+0x3c/0x50 [ 9.173425][ T202] x64_sys_call+0x1567/0x1570 [ 9.173427][ T202] do_syscall_64+0xff/0x530 [ 9.173432][ T202] ? exc_page_fault+0xee/0x100 [ 9.173435][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.173437][ T202] RIP: 0033:0x7f4188de61b8 [ 9.173439][ T202] Code: Unable to access opcode bytes at 0x7f4188de618e. [ 9.173440][ T202] RSP: 002b:00007ffe847e3f68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.173442][ T202] RAX: ffffffffffffffda RBX: 00007f4188f16f88 RCX: 00007f4188de61b8 [ 9.173444][ T202] RDX: 00007f4188b30fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.173444][ T202] RBP: 00007ffe847e3fc0 R08: 0000000000000000 R09: 0000000000008010 [ 9.173445][ T202] R10: 00007ffe847e3d80 R11: 0000000000000246 R12: 0000000000000001 [ 9.173446][ T202] R13: 0000000000000000 R14: 00007f4188f15680 R15: 00007f4188f16fa0 [ 9.173453][ T202] [ 9.838231][ T229] Mirror/redirect action on